Seumas Spark is an adjunct fellow in history at Monash University. His books include (as co-editor) Shadowline: The Dunera Diaries of Uwe Radok, 'I Wonder': The Life and Times of Ken Inglis and Dunera Lives: A Visual History. His work appears regularly in Australian Book Review and Inside Story, among other places. Christina Twomey is a professor of history at Monash University and chief research officer for the Australian Research Council. A prize-winning historian, Christina's research focuses on the social and cultural history of war. She is the author of several books, including, most recently, The Battle Within: POWs in Postwar Australia (2018).